a {
  text-decoration: none;
}
body {
  min-width: 320px;
  max-width: 750px;
  height: 2000px;
  margin: 0 auto;
  background-color: #FFFFFF;
}
@media screen and (min-width: 750px) {
  html {
    font-size: 37.5px;
  }
}
.title {
  height: 2.266667rem;
  border-bottom: 0.026667rem solid #EAEAEA;
  font-size: 0.933333rem;
  color: #1C1C1C;
  text-align: center;
  line-height: 2.24rem;
}
.nav {
  display: flex;
  flex-wrap: wrap;
  margin: 1.333333rem 0;
}
.nav a {
  flex: 33.333%;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.nav a img {
  width: 3.706667rem;
  height: 3.706667rem;
  margin-bottom: 0.426667rem;
}
.nav a span {
  line-height: 0.72rem;
  font-size: 0.666667rem;
  color: #707070;
}
.nav a:nth-of-type(-n+3) {
  margin-bottom: 1.866667rem;
}
.ad {
  padding: 0 0.373333rem 1.146667rem 0.373333rem;
}
.work {
  height: 15.866667rem;
  border-top: 0.266667rem solid #F2F4F7;
  border-bottom: 0.266667rem solid #F2F4F7;
  padding: 1.066667rem 0;
}
.work .work_hd {
  height: 1.013333rem;
  padding: 0 0.586667rem;
  line-height: 1.013333rem;
}
.work .work_hd img {
  float: left;
  width: 1.013333rem;
  height: 1.013333rem;
  margin-right: 0.48rem;
}
.work .work_hd span {
  float: left;
  font-size: 0.746667rem;
  font-weight: 700;
  color: #333333;
}
.work .work_hd a {
  float: right;
  font-size: 0.586667rem;
  color: #999999;
}
.study {
  height: 12.986667rem;
  padding: 1.066667rem 0;
}
.study .study_hd {
  height: 1.013333rem;
  padding: 0 0.586667rem;
  line-height: 1.013333rem;
}
.study .study_hd img {
  float: left;
  width: 1.013333rem;
  height: 1.013333rem;
  margin-right: 0.48rem;
}
.study .study_hd span {
  float: left;
  font-size: 0.746667rem;
  font-weight: 700;
  color: #333333;
}
.study .study_hd a {
  float: right;
  font-size: 0.586667rem;
  color: #999999;
}
.footer {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  width: 20rem;
  height: 3.04rem;
  border-top: 0.026667rem solid #E2E2E2;
}
.footer a {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.footer a div {
  position: relative;
  width: 1.093333rem;
  height: 1.093333rem;
  margin-bottom: 0.266667rem;
}
.footer a div img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  width: 1.066667rem;
}
.footer a span {
  font-size: 0.586667rem;
  color: #666666;
}
.footer a:nth-of-type(1) span {
  color: #52C4F0;
}
